Advertisements
Advertisements
प्रश्न
State whether true or false. If false, correct the statement.
Group 17 elements are named as Halogens.
पर्याय
True
False
Advertisements
उत्तर
Group 17 elements are named as Halogens- True
APPEARS IN
संबंधित प्रश्न
Write the name from the description.
The family of metals having valency one.
Write the name from the description.
The family of metals having valency two.
Match column A with column B.
|
Column A |
Column B |
|
(a) Element short by 1 electron in octet |
(i) Transition elements |
|
(b) Highly reactive metals |
(ii) Noble gases |
|
(c) Non-reactive elements |
(iii) Alkali metals |
|
(d) Elements of groups 3 to 12 |
(iv) Alkaline earth metals |
|
(e) Radioactive elements |
(v) Halogens |
|
(f) Elements with 2 electrons in the outermost orbit |
(vi)Actinides |
______ block element is placed at the bottom of the periodic table.
Group 1 (except hydrogen) elements are called alkali metals.
Group 3-12 elements in the modern periodic table are called d block elements.
Assertion (A): Group 2 elements in the modem periodic table are called alkaline earth metals.
Reason (R): The oxides of group 2 elements produce alkaline solutions when they are dissolved in water.
Match the columns:
| Column ‘A’ | Column ‘B’ |
| Manganese | (a) Metal |
| (b) Non-metal | |
| (c) Transition metal |
Answer the following questions related to the modern periodic table.
Which block elements are known as transition elements?
Answer the following questions related to the modern periodic table.
How are elements placed around the zig-zag line in the p-block of the periodic table?
